ISO 3196:1975
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Sodium hydroxide for industrial use — Determination of carbonates content — Titrimetric method
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01-05-1975
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Applicable to products having contents, expressed as CO2 , of more than 0.01 % (m/m). Relates to a procduct containing neither sulphides nor chlorates or only sulphides or only chlorates. Preliminary test by boiling an acidified test sample in the presence of methyl orange and with a lead acetate paper strip in the vapour. The sulphides blacken the paper and chlorates delolourize the methyl orange. Products containing neither sulphides nor chlorates: liberation of carbon dioxide by acidification and heating. Entrainment in a flow of gas and absorption in an excess of barium hydroxide solution. Titration of the excess barium hydroxide solution with a standard volumetric hydrochloric acid solution in the presence of thymolphthalein as indicator.
| Committee |
ISO/TC 47
|
| DevelopmentNote |
Also numbered as BS 6075-6(1981) (09/2005)
|
| DocumentType |
Standard
|
| Pages |
4
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Standards | Relationship |
| PN ISO 3196 : 2002 | Identical |
| NBN T 03 130 : 1980 | Identical |
| NFT 20 426 : 76 FD | Identical |
| BS 6075-11:1981 | Methods of sampling and test for sodium hydroxide for industrial use Determination of mercury content (flameless atomic absorption method) |
| ISO 979:1974 | Sodium hydroxide for industrial use — Method of assay |
| I.S. EN 896:2012 | CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM HYDROXIDE |
| 12/30257898 DC : 0 | BS EN 896 - CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM HYDROXIDE |
| BS 6075-8:1981 | Methods of sampling and test for sodium hydroxide for industrial use Determination of sulphate content |
| DIN EN 896:2013-02 | CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM HYDROXIDE |
| UNI EN 896 : 2013 | CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM HYDROXIDE |
| BS 6075-9:1981 | Methods of sampling and test for sodium hydroxide for industrial use Determination of calcium and magnesium contents |
| BS 6075-10:1981 | Methods of sampling and test for sodium hydroxide for industrial use Determination of mercury content (photometric method) |
| BS EN 896:2012 | Chemicals used for treatment of water intended for human consumption. Sodium hydroxide |
| UNE-EN 896:2013 | Chemicals used for treatment of water intended for human consumption - Sodium hydroxide |
| EN 896:2012 | Chemicals used for treatment of water intended for human consumption - Sodium hydroxide |
| PREN 896 : DRAFT 2012 | CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM HYDROXIDE |
| ISO 3195:1975 | Sodium hydroxide for industrial use — Sampling — Test Sample — Preparation of the main solution for carrying out certain determinations |
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